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CSIR UGC NET JRF Life Sciences Questions and Answers (June 2013)

11. Which of the following is not associated with insulin action?
1. Increased glucose transport
2. Increased glycogen formation
3. Enhanced lipolysis in adipose tissue
4. Decreased rate of gluconeogenesis

12. Which of the following is considered to be a combined B and T cell deficiency?
CSIR UGC NET JRF
1. Ataxia-telangiectasia
2. Swiss type agammaglobulinemia
3. Wiskott Aldrich syndrome
4. Brutons agammaglobulinemia

13. The homologue of Beta catenin in Drosophila is
1. Fushi tarazu
2. Engrailed
3. Armadillo
4. Cubitus interruptus

14. Which of the following essential micronutrients is associated with urease enzyme found in higher plants?
1. Nickel
2.Molybdenum
3.Zinc
4.Copper

15. Plants are able to perceive light through various photoreceptors and downstream genes. Which one of the following genes is not invoved in light perception?
1. PIF3
2.NPR1
3.PHYE
4.CRY3

16.The concept of recon was proposed by Seymour Benzer by studying recombination between
1. lysis mutants of bacteriophages T4
2. white eye mutants of Drosophila melanogaster
3. biochemical mutants of Neurospora crassa
4. auxotrophic mutants of E.coli

17. Tautonym is an informal taxonomic designation used for animals referring to
1. same name of genus and species
2. same name for species and subspecies
3.trinomial nomenclature
4. the name of the author for the species

18. A cross is made between wo plants with white flowers.All the F1 progeny had red coloured flowers. This is because of
1. complementation
2.recombination
3.translocation
4.reversion

19. Cladistic classification is based on
1. sequential order in which branches arise from a phylogenetic tree
2. the order of sequence divergence
3. morphological features and skeleton of individuals
4. cellular organization and cytoskeleton

20. Which of these programs is used to conserve a species facing extinction?
1. Captive breeding
2. Natural resources
3. Sustainable use
4. Edge effects
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Answers
11.3. Enhanced lipolysis in adipose tissue
12. 3. Wiskott Aldrich syndrome
13. 3. Armadillo
14. 1. Nickel
15. 2.NPR1
  • PIF3, a phytochrome-interacting factor necessary for normal photoinduced signal transduction.
  • NPR1: Natriuretic Peptide Receptor
  • PHY E: phytochrome E gene
  • CRY gene: cryptochrome gene
16. 1. lysis mutants of bacteriophages T4
17. 1. same name of genus and species
18. 1. complementation
19. 1. sequential order in which branches arise from a phylogenetic tree
20. 1. Captive breeding

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